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Mark Zuckerberg and Jeff Bezos. Photos: Getty Images
Bloomberg's Billionaire Index has reported its year-end findings, with Amazon CEO Jeff Bezos declared the billionaire winner of 2018, and Facebook CEO Mark Zuckerberg declared the biggest loser.
Details: Bezos added $24 billion, increasing his net worth to $123 billion, although it was much higher before the year-end stock market rout. Zuckerberg's net worth fell nearly $20 billion to a total of $53 billion.